Error Pointer Dereference in Linux Kernel by vendor XYZ

CVE-2025-40156

What is CVE-2025-40156?

A potential security flaw exists in the Linux kernel where an error pointer could be dereferenced due to improper validation. The drv->sram_reg pointer may be incorrectly set to ERR_PTR(-EPROBE_DEFER), risking system stability and security vulnerabilities. The recommended solution involves checking pointer validity using IS_ERR_OR_NULL() to prevent exploitation and maintain system integrity.

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